package controller;

import com.alibaba.fastjson2.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import utils.LayDate;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")
public class AsyncUserController {
    @Autowired
    private UserService userService;
@RequestMapping("/tolist")
public String toList() {
    return "asyncuser/list";
}

    @RequestMapping("/list")
    @ResponseBody
    public String list(User user, @RequestParam(value="page",defaultValue="1") Integer currentPage,
                       @RequestParam(value="limit",defaultValue="10") Integer pageSize, Model model) {
        //查询数据
        int totalCount = userService.count(user);
        //计算偏移量
        int offset = (currentPage - 1) * pageSize;
        List<User> users = userService.findAll(user, offset, pageSize);
        LayDate layDate = new LayDate(0,"查询成功",totalCount,users);
        return JSON.toJSONString(layDate);
    }

    @RequestMapping("/toadd")
    public String toAdd() {
        return "asyncuser/add";
    }

    @RequestMapping("/addSave")
    @ResponseBody
    public String addSave(User user) {
        int result = userService.addUser(user);
        if (result > 0) {
            return JSON.toJSONString(new LayDate(0, "添加成功"));
        } else {
            return JSON.toJSONString(new LayDate(500, "添加失败"));
        }
    }
    @RequestMapping("/delete")
    @ResponseBody
    public String delete(@RequestParam("ids") List<Integer> ids){
       int result = userService.deleteUserById(ids);
        if(result>0){
            return JSON.toJSONString(new LayDate(0, "删除成功"));
        }else{
            return JSON.toJSONString(new LayDate(0, "删除失败"));
        }
    }
    @RequestMapping("/toupdate")
    public String toUpdate(@RequestParam("id") Integer id,Model model){
        model.addAttribute("user",userService.findUserById(id));
        return "asyncuser/update";
    }
    @RequestMapping("/updateSave")
    @ResponseBody
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if(result>0){
            return JSON.toJSONString(new LayDate(0, "更新成功"));
        }else{
            return JSON.toJSONString(new LayDate(0, "更新失败"));
        }
    }

    }

